Given that the escape speed from Earth’s surface is

PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation

Problem

Given that the escape speed from Earth’s surface is 11.2 km s−111.2\,\text{km}\,\text{s}^{-1}, calculate the escape speed from Mars whose mass is 0.11 M⊕0.11\,M_{\oplus} and radius is 0.53 R⊕0.53\,R_{\oplus}. (a) 3.8 km s−13.8\,\text{km}\,\text{s}^{-1} (b) 5.0 km s−15.0\,\text{km}\,\text{s}^{-1} (c) 4.5 km s−14.5\,\text{km}\,\text{s}^{-1} (d) 2.3 km s−12.3\,\text{km}\,\text{s}^{-1}

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